17/1, 2. Sine and Cosine Graphs
- Author:
- Norm Prokup
Two Views of Sine and Cosine
On the left, an angle is shown in yellow. We know that the cosine and sine of are given by the coordinates of
On the right, the blue graph consists of points and the red graph consists of points . Notice that is measured on the horizontal axis. These graphs could also be described by the equations and respectively.